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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 401 · 40 sums
TalentJR

The method (Add 12 after noon): a.m. → keep the hour, written with 2 digits: 07:15. p.m. → add 12 to the hour: 3:35 p.m. = 15:35. 24-hour back to 12-hour: hour more than 12 → take away 12 and say p.m. Time taken: count whole hours, then minutes. 1 hour = 60 minutes.

NameDateTime takenScore ___ / 40
  1. 1.A match starts at 16:15 and lasts 4 hours 10 minutes. At what time does it end? (a) 20:25 (b) 19:25 (c) 21:25
  2. 2.A film is 4 hours 5 minutes long. How many minutes is that?
  3. 3.What is 10:55 in 12-hour time? (a) 12:55 a.m. (b) 10:55 a.m. (c) 10:55 p.m.
  4. 4.A film is 1 hour 50 minutes long. How many minutes is that?
  5. 5.A film is 2 hours 20 minutes long. How many minutes is that?
  6. 6.Write 2:05 p.m. in 24-hour time. (a) 14:05 (b) 02:05 (c) 16:05
  7. 7.A film is 2 hours 35 minutes long. How many minutes is that?
  8. 8.A match starts at 15:15 and lasts 3 hours. At what time does it end? (a) 17:15 (b) 19:15 (c) 18:15
  9. 9.A train leaves at 11:55 and reaches at 14:10. How long is the journey (in minutes)?
  10. 10.Write 11:05 p.m. in 24-hour time. (a) 01:05 (b) 11:05 (c) 23:05
  11. 11.A film is 1 hour 15 minutes long. How many minutes is that?
  12. 12.A train leaves at 11:05 and reaches at 11:45. How long is the journey (in minutes)?
  13. 13.A train leaves at 15:45 and reaches at 16:30. How long is the journey (in minutes)?
  14. 14.A film is 2 hours 40 minutes long. How many minutes is that?
  15. 15.What is 01:25 in 12-hour time? (a) 1:25 a.m. (b) 1:25 p.m. (c) 3:25 a.m.
  16. 16.A match starts at 14:10 and lasts 1 hour 25 minutes. At what time does it end? (a) 16:35 (b) 14:35 (c) 15:35
  17. 17.A match starts at 16:20 and lasts 4 hours 35 minutes. At what time does it end? (a) 21:55 (b) 19:55 (c) 20:55
  18. 18.Write 11:45 a.m. in 24-hour time. (a) 11:45 (b) 13:45 (c) 23:45
  19. 19.What is 11:50 in 12-hour time? (a) 11:50 p.m. (b) 1:50 a.m. (c) 11:50 a.m.
  20. 20.How many hours are there from 11:00 to 14:00?
  21. 21.How many hours are there from 09:00 to 13:00?
  22. 22.Write 11:35 a.m. in 24-hour time. (a) 23:35 (b) 13:35 (c) 11:35
  23. 23.A train leaves at 19:10 and reaches at 22:00. How long is the journey (in minutes)?
  24. 24.How many hours are there from 05:00 to 14:00?
  25. 25.What is 17:30 in 12-hour time? (a) 5:30 p.m. (b) 7:30 p.m. (c) 5:30 a.m.
  26. 26.What is 03:40 in 12-hour time? (a) 3:40 a.m. (b) 5:40 a.m. (c) 3:40 p.m.
  27. 27.Write 2:20 a.m. in 24-hour time. (a) 14:20 (b) 04:20 (c) 02:20
  28. 28.A train leaves at 15:15 and reaches at 15:45. How long is the journey (in minutes)?
  29. 29.A film is 3 hours 25 minutes long. How many minutes is that?
  30. 30.How many hours are there from 10:00 to 21:00?
  31. 31.What is 21:05 in 12-hour time? (a) 9:05 a.m. (b) 11:05 p.m. (c) 9:05 p.m.
  32. 32.How many hours are there from 08:00 to 15:00?
  33. 33.What is 16:50 in 12-hour time? (a) 4:50 p.m. (b) 4:50 a.m. (c) 6:50 p.m.
  34. 34.A film is 4 hours 40 minutes long. How many minutes is that?
  35. 35.A train leaves at 16:30 and reaches at 18:35. How long is the journey (in minutes)?
  36. 36.A train leaves at 11:20 and reaches at 13:25. How long is the journey (in minutes)?
  37. 37.How many hours are there from 07:00 to 12:00?
  38. 38.Write 2:45 p.m. in 24-hour time. (a) 14:45 (b) 02:45 (c) 16:45
  39. 39.How many hours are there from 06:00 to 20:00?
  40. 40.What is 20:05 in 12-hour time? (a) 8:05 a.m. (b) 10:05 p.m. (c) 8:05 p.m.

Answer key

  1. 20:25
  2. 245
  3. 10:55 a.m.
  4. 110
  5. 140
  6. 14:05
  7. 155
  8. 18:15
  9. 135
  10. 23:05
  11. 75
  12. 40
  13. 45
  14. 160
  15. 1:25 a.m.
  16. 15:35
  17. 20:55
  18. 11:45
  19. 11:50 a.m.
  20. 3
  21. 4
  22. 11:35
  23. 170
  24. 9
  25. 5:30 p.m.
  26. 3:40 a.m.
  27. 02:20
  28. 30
  29. 205
  30. 11
  31. 9:05 p.m.
  32. 7
  33. 4:50 p.m.
  34. 280
  35. 125
  36. 125
  37. 5
  38. 14:45
  39. 14
  40. 8:05 p.m.

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